Phra Ajaan Thate Desaransi, also known as Ajaan Thate, Luangpu Thet Thetrangsi, Phra Desarangsee, or by his monastic title Phra Rajanirodharangsee, was a famous meditation master and Buddhist monk from northern Thailand. He was a first generation student of the Thai Forest Tradition and a disciple of Ajahn Mun, one of the founding teachers of the lineage. Following the death of Ajahn Mun in 1949, he was considered to be the Ajahn Yai, or the head of the Thai Forest Tradition lineage until his death in 1994.
